ATROVENT HFA vs TRIMETHOPRIM

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. ATROVENT HFA and TRIMETHOPRIM are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	ATROVENT HFA	TRIMETHOPRIM
Rating	72/100	56/100
Pharmacy pays	$0.62 /mL	~$35.33 /30
Type	RX	RX
Active ingredient	IPRATROPIUM BROMIDE	TRIMETHOPRIM
Manufacturer	Boehringer Ingelheim	Teva
Dosage forms	Spray/Inhaler, metered	Tablet
Drug class	Anticholinergic	Dihydrofolate Reductase Inhibitor Antibacterial
Boxed warning	None	None
Half-life	—	about 8 to 10 hours
Treats	Bronchial Spasm, Bronchitis, Pulmonary Emphysema	Bronchitis, Escherichia Coli Infections, Klebsiella Infections

atrovent hfa trimethoprim

Rating

72/100

56/100

Pharmacy pays

$0.62 /mL

~$35.33 /30

Type

Active ingredient

IPRATROPIUM BROMIDE

TRIMETHOPRIM

Manufacturer

Boehringer Ingelheim

Teva

Dosage forms

Spray/Inhaler, metered

Tablet

Drug class

Anticholinergic

Dihydrofolate Reductase Inhibitor Antibacterial

Boxed warning

None

Half-life

—

about 8 to 10 hours

Treats

Bronchial Spasm, Bronchitis, Pulmonary Emphysema

Bronchitis, Escherichia Coli Infections, Klebsiella Infections

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Frequently asked questions

Which is better-rated, Atrovent Hfa or Trimethoprim?

By our independent rating, Atrovent Hfa scores higher — 3.6 vs 2.8 out of 5 for Trimethoprim. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Atrovent Hfa and Trimethoprim?

Atrovent Hfa contains Ipratropium Bromide, while Trimethoprim contains Trimethoprim — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.